qubit
nounUK /ˈkjuː.bɪt/
US /ˈkjuː.bɪt/
A qubit is a tiny bit of information in a special computer that can be 0 and 1 at the same time.
The scientist used a qubit to store information in the quantum computer.
OTHER MEANINGS
2. The basic unit of quantum information, analogous to the classical bit but able to exist in a superposition of states.
Each qubit in the processor can hold a superposition of zero and one.
3. A physical quantum system, such as a trapped ion or superconducting circuit, used to realize quantum information.
The team built a qubit from a single trapped ion.
4. A unit of storage in quantum computing hardware.
This chip contains fifty qubits on a single wafer.